Crispus. Caesar, AD 316-326. Æ Follis (19.5mm, 3.29 g, 6h). Londinium (London) mint. Struck AD 317. Laureate and cuirassed bust right / CLARITAS REIPVBLICAE, Sol standing left, chlamys across left shoulder, right hand raised, holding globe in left hand; S|P//PLN. RIC VII 103; C&T 8.09.004 (this coin cited and illustrated). Brown patina, light roughness. VF. Rare CLARITAS type.
From the Paul DiMarzio Collection, purchased from Lee Toone (Hookmoor Ancient Coins), 12 February 2016. Ex CT Collections, purchased from eBay ("crisous01"), March 2007.
The cuirass has the interesting laurel-leaf decoration that some believe might be associated with a consulship–in this case Crispus' joint consulship in AD 318.